Originally Posted by
xetroV
Erroneous MCAS intervention does not look like runaway trim, it looks like speed trim. Which intervenes so frequently with automatic trimming during routine climbs that a slowly turning trim wheel in that flight phase may very well get unnoticed, especially in a very high workload situation (continuous stickshaker and unreliable airspeed).
Oh, so trim wheels are moving and everything, it is visible. But it is not speeding away, it is more like making mess slowly and unnoticedly. It loos really mischievously.